Deck 8: Fractions

Question 1

Given the fractions 3/4, 5/8, 7/16, and 15/32, the lowest common denominator is __________.

A) 4
B) 8
C) 16
D) 32

Answer 1

D

Question 2

3/8" + 1/4" + 5/16" = ____________________.

Answer 2

15/16"

Question 3

1/8 + 5/12 + 1/3 = ____________________.

Answer 3

21/24

Question 4

1/4 + 3/4 = ____________________.

Question 5

2-7/16 divided by 7/9 = ____________________.

Question 6

3-1/3 gallons + 5-3/4 gallons + 9-3/8 gallons = ____________________ gallons.

Question 7

If a 3-1/2" beam is covered with 3/4" plywood on one side and 5/8" drywall on the other side, the total thickness is _______________ inches.

Question 8

4-3/4 + 6-3/4 = ____________________.

Question 9

28 pounds minus 16-4/7 pounds = ____________________ pounds

Question 10

5-9/16 * 3 * 5/7 = ____________________.

Question 11

Express 7/8 as a decimal.

Question 12

The number on the bottom of a common fraction is called the ____________________.

Question 13

1 divided by 1/5 = ____________________.

Question 14

3/8 divided by 3/4 = ____________________.

Question 15

3/4 minus 3/8 = ____________________.

Question 16

Express 0.6875 as a fraction.

Question 17

3/16 * 4/5 = ____________________.

Question 18

An electrical contractor bills a customer $67.00 per hour for 5 1/4 hours per day for 6 days. If he pays his workers 1/4 of what he receives and uses 1/5 of what he receives to pay for materials, how much money is left for the contractor?

Question 19

3/8 watt + 7/16 watt + 2-11/16 watts = ____________________ watts.

Question 20

The top number of a common fraction is called the ____________________.

Question 21

Explain what a mixed number is.